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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <!--封装复杂，接口简单
    前后端联调，把接口测试一下
    -->
    hide
    show()
    poyForCode{}
</body>
</html>